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rocfatcat/string_wstring.cpp

Forked from 1901/string_wstring.cpp
Created March 11, 2020 18:12
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std::string和std::wstring之间相互转换
Raw
string_wstring.cpp
// 把一个wstring转化为string
std::string& to_string(std::string& dest, std::wstring const & src)
{
std::setlocale(LC_CTYPE, "");
size_t const mbs_len = wcstombs(NULL, src.c_str(), 0);
std::vector<char> tmp(mbs_len + 1);
wcstombs(&tmp[0], src.c_str(), tmp.size());
dest.assign(tmp.begin(), tmp.end() - 1);
return dest;
}
// 把一个string转化为wstring
std::wstring& to_wstring(std::wstring& dest, std::string const & src)
{
// std::setlocale(LC_CTYPE, "");
std::setlocale(LC_CTYPE, "zh_CN");
size_t const wcs_len = mbstowcs(NULL, src.c_str(), 0);
std::vector<wchar_t> tmp(wcs_len + 1);
mbstowcs(&tmp[0], src.c_str(), src.size());
dest.assign(tmp.begin(), tmp.end() - 1);
return dest;
}
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